rewriting unambiguous statutory terms adding quote where we to recognize the authority claimed by fiancee in the tailoring rule we would deliver a severe blow to the constitution's separation of powers. under our system of government congress makes laws and the president acting at times through agencies like epa faithfully skuts them. >> the supreme court slum slapped down both the epa and the obama administration for trying to rewrite the language of the clean air act. >> the court's primary dissents authored by justies breyer said it made no sense. in fact, much of the agency's power to do so remains intact. >> while the court did take away one method of greenhouse gas